Heterogeneous Network System, Network Apparatus, and Rendezvous Path Selection Method Thereof

1. A network apparatus for use in a heterogeneous network system, the heterogeneous network system comprising the network apparatus and a plurality of partner network apparatuses, the network apparatus comprising: at least one transceiving interface, wherein each of the at least one transceiving interface has an interface type, is directly connected to at least one neighboring network apparatus, measures at least one first transmission parameter, and receives a plurality of second transmission parameters, wherein each of the at least one neighboring network apparatus is one of the partner network apparatuses, each of the at least one first transmission parameter is associated with transmission from one of the at least one transceiving interface to one of the at least one neighboring network apparatus, each of the second transmission parameters is associated with transmission from a first network apparatus to a second network apparatus neighboring the first network apparatus, each of the first network apparatuses is one of the partner network apparatuses, and each of the second network apparatuses is one of the partner network apparatuses and the network apparatus; and a processor, being electrically connected to each of the at least one transceiving interface and configured to enumerate a plurality of paths from the network apparatus to a target network apparatus and calculate a path cost for each of the paths according to at least one link transmission parameter, each of the at least one link transmission parameter is one of the at least one first transmission parameter and the second transmission parameters, wherein the target network apparatus is one of the partner network apparatuses; wherein each of the partner network apparatuses comprises at least one partner transceiving interface and each of the partner transceiving interfaces has an interface type, and wherein the at least one interface types of the at least one transceiving interface of the network apparatus and the interface types of the partner transceiving interfaces are not all the same, wherein each of the at least one first transmission parameter and the second transmission parameters comprises a plurality of sub-parameters, each of the sub-parameters corresponds to a weight value, and the path cost for each of the paths is calculated according to the weight values and the at least one link transmission parameters.

2. The network apparatus of claim 1 , wherein each of the at least one transceiving interface further transmits the corresponding at least one first transmission parameter to at least one of the partner network apparatuses.

3. The network apparatus of claim 1 , wherein a sum of the weight values corresponding to the sub-parameters comprised in each of the at least one first transmission parameter and the second transmission parameters is equal to a preset value.

4. The network apparatus of claim 1 , wherein each of the at least one first transmission parameter comprises one of a round trip time, an available bandwidth, a Quality of Service (QoS) parameter, and a combination thereof, and each of the second transmission parameters comprises one of a round trip time, an available bandwidth, a QoS parameter, and a combination thereof.

5. The network apparatus of claim 1 , wherein each of the paths comprises at least one link, each of the links has one of the link transmission parameters, and each of the path costs is calculated according to the at least one link transmission parameter corresponding to the at least one link comprised in each of the paths.

6. A rendezvous path selection method for a network apparatus, a heterogeneous network system comprising the network apparatus and a plurality of partner network apparatuses, the network apparatus comprising at least one transceiving interface, each of the at least one transceiving interface being directly connected to at least one neighboring network apparatus, each of the at least one neighboring network apparatus being one of the partner network apparatuses, the rendezvous path selection method comprising the following steps of: (a) measuring at least one first transmission parameter, wherein each of the at least one first transmission parameter is associated with transmission from one of the at least one transceiving interface to one of the at least one neighboring network apparatus; (b) receiving a plurality of second transmission parameters, wherein each of the second transmission parameters is associated with transmission from a first network apparatus to a second network apparatus neighboring the first network apparatus, each of the first network apparatuses is one of the partner network apparatuses, and each of the second network apparatuses is one of the partner network apparatuses and the network apparatus; and (c) enumerating a plurality of paths from the network apparatus to a target network apparatus, wherein the target network apparatus is one of the partner network apparatuses; and (d) calculating a path cost for each of the paths according to at least one link transmission parameter, wherein each of the at least one link transmission parameter is one of the at least one first transmission parameter and the second transmission parameters, wherein each of the partner network apparatuses comprises at least one transceiving interface and each of the transceiving interfaces has an interface type, wherein the at least one interface types of the at least one transceiving interface of the network apparatus and the interface types of the partner transceiving interfaces are not all the same, wherein each of the at least one first transmission parameter and the second transmission parameters comprises a plurality of sub-parameters, each of the sub-parameters corresponds to a weight value, and the path cost of each of the paths is calculated according to the weight values and the at least one link transmission parameters in the step (d).

7. The rendezvous path selection method of claim 6 , further comprising transmitting each of the at least one first transmission parameter to at least one of the partner network apparatuses.

8. The rendezvous path selection method of claim 6 , wherein a sum of the weight values corresponding to the sub-parameters comprised in each of the at least one first transmission parameter and the second transmission parameters is equal to a preset value.

9. The rendezvous path selection method of claim 6 , wherein each of the at least one first transmission parameter comprises one of a round trip time, an available bandwidth, a QoS parameter, and a combination thereof, and each of the second transmission parameters comprises one of a round trip time, an available bandwidth, a QoS parameter, and a combination thereof.

10. The rendezvous path selection method of claim 6 , wherein each of the paths comprises at least one link, each of the links has one of the link transmission parameters, and each of the path costs is calculated according to the at least one link transmission parameter corresponding to the at least one link comprised in each of the paths in the step (d).

11. A heterogeneous network system, comprising: a plurality of partner network apparatuses; and a network apparatus, comprising at least one transceiving interface, wherein each of the at least one transceiving interface is directly connected to at least one neighboring network apparatus, measures at least one first transmission parameter, and receives a plurality of second transmission parameters, each of the at least one neighboring network apparatus is one of the partner network apparatuses, each of the at least one first transmission parameter is associated with transmission from one of the at least one transceiving interface to one of the at least one neighboring network apparatus, each of the second transmission parameters is associated with transmission from a first network apparatus to a second network apparatus neighboring the first network apparatus, each of the first network apparatuses is one of the partner network apparatuses, and each of the second network apparatuses is one of the partner network apparatuses and the network apparatus; wherein the network apparatus is further configured to enumerate a plurality of paths from the network apparatus to a target network apparatus, and calculate a path cost for each of the paths according to at least one link transmission parameter, each of the at least one link transmission parameter is one of the at least one first transmission parameter and the second transmission parameters, wherein the target network apparatus is one of the partner network apparatuses; wherein each of the partner network apparatuses comprises at least one transceiving interface and each of the transceiving interfaces has an interface type, wherein the at least one interface types of the at least one transceiving interface of the network apparatus and the interface types of the partner transceiving interfaces are not all the same, wherein each of the at least one first transmission parameter and the second transmission parameters comprises a plurality of sub-parameters, each of the sub-parameters corresponds to a weight value, and the path cost for each of the paths is calculated according to the weight values and the at least one link transmission parameters.

12. The heterogeneous network system of claim 11 , wherein the network apparatus further transmits each of the at least one first transmission parameter to at least one of the partner network apparatuses.

13. The heterogeneous network system of claim 11 , wherein a sum of the weight values corresponding to the sub-parameters comprised in each of the at least one first transmission parameter and the second transmission parameters is equal to a preset value.

14. The heterogeneous network system of claim 11 , wherein each of the at least one first transmission parameter comprises one of a round trip time, an available bandwidth, a QoS parameter, and a combination thereof, and each of the second transmission parameters comprises one of a round trip time, an available bandwidth, a QoS parameter, and a combination thereof.

15. The heterogeneous network system of claim 11 , wherein each of the paths comprises at least one link, each of the links has one of the link transmission parameters, and each of the path costs is calculated according to the at least one link transmission parameter corresponding to the at least one link comprised in each of the paths.